The codes GU6 and G80 are for the gear ratio on your vehicle the G80 code indicates your vehicle was eqipped from the factory with a locking rear differential and the GU6 code indicates your gear ratio.
95 chevy tahoe (K5 Blazer) comes stock with Gu6 "3.42 gear ratio" limited slip. It was also sold with an option for a Gu4/ G80 "3.73 gear ratio" posi-trac. In the glove box of the vehicle glued to the bottom interior surface is a list of mfg inc options for the vehicle. including the RPO codes for the drive train.
the 3.42:1 ratio was standard for that year if you look in the glovebox there is a white sticker with a list of codes you are looking for in the G section GU6 for 342 or GT4 for 3.73:1.. Also G80 is the code for locking differential.
Check in the glovebox on the white sticker. Gu6 is the code for 3.42:1 which was standard GT4 is the code for 3.73:1 which was an option.. Also the code G80 would tell you if you have a locking rear differential.
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The Chevy G80 differential, known as a limited-slip differential, doesn't have a fixed gear ratio itself, as the gear ratio depends on the specific axle configuration it is paired with. Common gear ratios for Chevy differentials range from 3.08 to 4.10, among others. To determine the exact gear ratio for a particular vehicle equipped with a G80 differential, you would need to check the vehicle's specifications or the axle tag.
Texas edition adds a 5.3L, G80 locking rear diff, 20inch rims, towing package, and the Texas badges in and out.
The G80 rear, referring to the rear design of the Hyundai Genesis G80, was introduced in 2016 as part of the vehicle's redesign for its second generation. This model was later rebranded as the Genesis G80 when Genesis became a standalone luxury brand. The design features a more refined and elegant aesthetic compared to the previous generation.
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Copy down the Vehicle Identification Number, and take it to a Chevrolet dealer. They should be able to look it up. Or you can look for the rpo codes for the vehicle. They are usually listed on a sticker in the glove box on these vehicles. If you see a code that says G80 you have the limited slip. End of story. If you don't see a code of G80 you do not.
Check in your glove box for the code... 2.73=gu2 3.08=gu4 3.42=gu6 3.73=gt4,gq1 4.10=gt4 G80=posi trac
The GM G80 is a type of limited-slip differential commonly found in General Motors vehicles. It does not have a specific gear ratio, as the ratio depends on the vehicle model and its configuration. Common gear ratios for vehicles equipped with a G80 differential can range from 3.08 to 4.10, but the exact ratio should be verified based on the specific vehicle and its specifications.